Q. No.Which of the following statements is incorrect?
1. Cockroaches exhibit mosaic vision with less sensitivity and more resolution
2. A mushroom-shaped gland is present in the 6th-7th abdominal segments of male
3. A pair of spermatheca is present in the 6th segment of female cockroach
4. Female cockroach possesses sixteen ovarioles in the ovaries
If the head of cockroach is removed, it may live for few days because:
| 1. | The cockroach does not have a nervous system. |
| 2. | The head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body. |
| 3. | The head holds a third of the nervous system while the rest is situated along the dorsal part of its body. |
| 4. | The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen. |
Match the following columns with reference to cockroach and select the correct option :
| Column I | Column II | ||
| (a) | Grinding of the food particles | (i) | Hepatic caeca |
| (b) | Secrete gastric juice | (ii) | 10th segment |
| (c) | 10 pairs | (iii) | Proventriculus |
| (d) | Anal cerci | (iv) | Spiracles |
| (v) | Alary muscles |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (v) | (ii) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (ii) | (iii) | (i) | (iv) |
Identify the incorrectly matched pair regarding reproductive structures in Periplaneta americana:
|
|
Structure |
Body segment |
|
1. |
Testes |
4th – 6th abdominal |
|
2. |
Ovaries |
4th – 6th abdominal |
|
3. |
Mushroom gland |
6th – 7th abdominal |
|
4. |
Spermatheca |
6th abdominal |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Nitrogenous wastes are absorbed and converted to uric acid in cockroach by:
1. Nephridia
2. Malpighian tubules
3. Fat body
4. Mushroom gland
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In Periplaneta americana:
| 1. | malpighian tubules do not play any role in osmoregulation |
| 2. | blood vascular system does not deliver oxygen to the tissues |
| 3. | mosaic vision does not have high sensitivity |
| 4. | the nymph does not grow by moulting |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The following diagram shows the alimentary canal of Periplaneta americana. Identify the incorrectly matched pair:
|
1. |
A |
Storing the food |
|
2. |
B |
Absorption of food |
|
3. |
C |
Secretion of digestive enzymes |
|
4. |
D |
Excretion and osmoregulation |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The main function of adipose tissue is
| 1. | providing insulation from heat and cold |
| 2. | providing protective padding around organs |
| 3. | to be a reserve of lipids |
| 4. | providing feedback for hunger and diet to the brain |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrectly matched pair:
|
|
Epithelium |
Location |
|
1. |
Non ciliated simple columnar |
Oviduct |
|
2. |
Simple cuboidal |
Surface of ovary |
|
3. |
Simple squamous |
Peritoneum |
|
4. |
Simple cuboidal brush bordered |
PCT of nephron |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is not true for connective tissue?
1. Cells lie embedded in the matrix
2. Glycosaminoglycans and proteoglycans are present in ground substance
3. All connective tissues are fibrous
4. Connective tissues are derived from the mesenchyme
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.